1. Center for Health Communication, Stan Richards School of Advertising and Public Relations and the Department of Population Health, The University of Texas, Austin, Texas, USA
2. Charles H. Sandage Department of Advertising in the College of Media, University of Illinois, Urbana, Illinois, USA
3. Department of Communication Studies, Center for Health Communication, Moody College of Communication, The University of Texas, Austin, TX, USA
4. Mayborn School of Journalism, The University of North Texas, Denton, Texas, USA
5. Stan Richards School of Advertising and Public Relations, Center for Health Communication, The University of Texas, Austin, Texas, USA